208090734 has 16 divisors (see below), whose sum is σ = 421883472. Its totient is φ = 68413248.

The previous prime is 208090733. The next prime is 208090739. The reversal of 208090734 is 437090802.

It is a junction number, because it is equal to n+sod(n) for n = 208090695 and 208090704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208090733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237109 + ... + 237984.

It is an arithmetic number, because the mean of its divisors is an integer number (26367717).

Almost surely, 2^208090734 is an apocalyptic number.

208090734 is an abundant number, since it is smaller than the sum of its proper divisors (213792738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208090734 is a wasteful number, since it uses less digits than its factorization.

208090734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475171.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 208090734 is about 14425.3503943578. The cubic root of 208090734 is about 592.5853547207.

The spelling of 208090734 in words is "two hundred eight million, ninety thousand, seven hundred thirty-four".